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authorDapeng Mi <dapeng1.mi@linux.intel.com>2026-09-17 09:52:33 +0800
committerIngo Molnar <mingo@kernel.org>2026-09-22 11:37:46 +0200
commit0102c8c7fdfc4bd700971daff2b94470f4eafae4 (patch)
tree531306c2299f9a269f0a986e29f17ba972180104 /arch/powerpc/boot/treeboot-bamboo.c
downloadlinux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.tar.gz
linux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.zip
perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rspgrafted
DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com
Diffstat (limited to 'arch/powerpc/boot/treeboot-bamboo.c')
-rw-r--r--arch/powerpc/boot/treeboot-bamboo.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/powerpc/boot/treeboot-bamboo.c b/arch/powerpc/boot/treeboot-bamboo.c
new file mode 100644
index 000000000..97b5b161d
--- /dev/null
+++ b/arch/powerpc/boot/treeboot-bamboo.c
@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright IBM Corporation, 2007
+ * Josh Boyer <jwboyer@linux.vnet.ibm.com>
+ *
+ * Based on ebony wrapper:
+ * Copyright 2007 David Gibson, IBM Corporation.
+ */
+#include "ops.h"
+#include "stdio.h"
+#include "44x.h"
+#include "stdlib.h"
+
+BSS_STACK(4096);
+
+#define PIBS_MAC0 0xfffc0400
+#define PIBS_MAC1 0xfffc0500
+char pibs_mac0[6];
+char pibs_mac1[6];
+
+static void read_pibs_mac(void)
+{
+ unsigned long long mac64;
+
+ mac64 = strtoull((char *)PIBS_MAC0, 0, 16);
+ memcpy(&pibs_mac0, (char *)&mac64+2, 6);
+
+ mac64 = strtoull((char *)PIBS_MAC1, 0, 16);
+ memcpy(&pibs_mac1, (char *)&mac64+2, 6);
+}
+
+void platform_init(void)
+{
+ unsigned long end_of_ram = 0x8000000;
+ unsigned long avail_ram = end_of_ram - (unsigned long)_end;
+
+ simple_alloc_init(_end, avail_ram, 32, 64);
+ read_pibs_mac();
+ bamboo_init((u8 *)&pibs_mac0, (u8 *)&pibs_mac1);
+}